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United States Patent | 5,220,010 |
Oguchi ,   et al. | June 15, 1993 |
There is here disclosed a method for preparing an alkoxyphthalocyanine represented by the formula (1): ##STR1##
Inventors: | Oguchi; Takahisa (Yokohama, JP); Sugimoto; Kenichi (Yokohama, JP); Athara; Shin (Yokohama, JP); Itoh; Hisato (Yokohama, JP); Matsumoto; Mansuke (Itami, JP); Masaoka; Toshihiro (Osaka, JP); Nakamura; Masakazu (Osaka, JP) |
Assignee: | Mitsui Toatsu Chemicals, Incorporated (Tokyo, JP); Yamamoto Chemicals, Incorporated (Yao, JP) |
Appl. No.: | 813179 |
Filed: | December 24, 1991 |
Dec 26, 1990[JP] | 2-413909 | |
Jul 17, 1991[JP] | 3-176604 |
Current U.S. Class: | 540/143; 540/142 |
Intern'l Class: | C09B 047/067 |
Field of Search: | 540/143 |
Foreign Patent Documents | |||
0253169 | Jan., 1988 | EP. | |
0373643 | Jun., 1990 | EP. |